Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
jigger is a noun meaning "a small glass adequate to hold a single swallow of whiskey". It carries 3 recorded senses.
a small glass adequate to hold a single swallow of whiskey
any small mast on a sailing vessel; especially the mizzenmast of a yawl
larval mite that sucks the blood of vertebrates including human beings causing intense irritation
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for jigger come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.